[jira] [Updated] (HADOOP-13150) Avoid use of toString() in output of HDFS ACL shell commands.

["Chris Nauroth (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-13150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Nauroth updated HADOOP-13150:
-----------------------------------
    Attachment: HADOOP-13150.001.patch

I'm attaching patch 001.  This is similar to what was done for HDFS-9732.

* I have defined {{toStringStable}} methods and updated call sites in the shell and WebHDFS.
* I took the opportunity to update several of the ACL classes from {{Evolving}} to {{Stable}}.  The API hasn't changed since initial release, so I'm confident that we can declare it stable.
* {{AclPermissionParam#parseAclSpec}} needed to stop calling {{StringUtils#join}}, because it internally calls {{toString}}.  The new logic is an adaptation of the logic of {{StringUtils#join}}.
* I have not added any new tests.  The logic is already covered well by existing tests that parse ACL strings back and forth.

> Avoid use of toString() in output of HDFS ACL shell commands.
> -------------------------------------------------------------
>
>                 Key: HADOOP-13150
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13150
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: HADOOP-13150.001.patch
>
>
> The HDFS ACL shell commands have at least one usage of the standard Java {{toString}} method to generate shell output ({{AclEntry#toString}}).  This issue tracks conversion of that code to use methods other than {{toString}}.  The {{toString}} method is useful primarily for debugging.  It's preferrable to use a different method to ensure stable output for public interfaces, such as the shell.



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